Scientific American Magazine Vol 95 Issue 5

Scientific American Magazine

Volume 95, Issue 5

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Features

Railway Block Signal Legislation

The Thickness of the Earth's Crust

The Risk of Locks in Flight

Bolometric Measurements in Wireless Telegraphy

New Sulphur Process for the Preservation of Wood

Botany Up to Date

The Sulphur Mines of Louisiana

Day Allen Willey

A Railroad Coach Constructed in Forty Hours

By The English Correspondent of the Scientific American

Recently Completed Battleship Nebraska

Our Latest Battleships, South Carolina and Michigan

Tunneling the East River

An Automobile for Rural Free Delivery

Weldon Fawcett

A Mechanical Electro-Plating Apparatus

A. Frederick Collins

Business and Personal Wants

READ THIS COLUMN CAREFULLY.--You will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write ns at once and we will send yon the name and address of the party desiring the information. In every case It Is necessary to give the number of: the Inquiry

Departments

Correspondence

Recently Patented Inventions

Index of Inventions

Patents